<?php
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// | niucloud团队 版权所有 开源版本可自由商用
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// | Author: Niucloud Team
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namespace app\model\class_resources_rel;

use core\base\BaseModel;
use think\model\concern\SoftDelete;
use think\model\relation\HasMany;
use think\model\relation\HasOne;

use app\model\class_grade\ClassGrade;

use app\model\customer_resources\CustomerResources;

use app\model\campus\Campus;

/**
 * 班级和资源模型
 * Class ClassResourcesRel
 * @package app\model\class_resources_rel
 */
class ClassResourcesRel extends BaseModel
{

    

    /**
     * 数据表主键
     * @var string
     */
    protected $pk = 'id';

    /**
     * 模型名称
     * @var string
     */
    protected $name = 'class_resources_rel';

    

    

    

    

    
    public function classGrade(){
       return $this->hasOne(ClassGrade::class, 'id', 'class_id')->joinType('left')->withField('class_name,id')->bind(['class_id_name'=>'class_name']);
    }

    public function customerResources(){
       return $this->hasOne(CustomerResources::class, 'id', 'resource_id')->joinType('left')->withField('name,id')->bind(['resource_id_name'=>'name']);
    }

    public function campus(){
       return $this->hasOne(Campus::class, 'id', 'campus_id')->joinType('left')->withField('campus_name,id')->bind(['campus_id_name'=>'campus_name']);
    }

}